A Flow-Check Valve, or Spring-Loaded Check Valve, Needs to Be

question 10

Multiple Choice

A flow-check valve, or spring-loaded check valve, needs to be installed in each piping circuit anytime multiple circulators are installed ____.

• A) in series
• B) proportionally
• C) in half unions
• D) in parallel

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Definitions:

Hallucinations

Perceptions in the absence of external stimuli, such as seeing or hearing things that aren't there.

Stimulant

A substance that increases activity in the body or brain, often leading to enhanced alertness, energy, or physical performance.

Heroin

An opioid drug derived from morphine, highly addictive, and used illicitly for its euphoric effects.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, often used recreationally and known for its potent addictive properties.